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spec: mention Inf and NaN are supported at run time.

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add hyperlink at mention of package reflect.

Fixes #438.

R=r
CC=golang-dev
https://golang.org/cl/190042
This commit is contained in:
Russ Cox 2010-01-18 15:59:14 -08:00
parent e85f8378b8
commit 16205a3534
1 changed files with 11 additions and 1 deletions
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12
doc/go_spec.html
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@ -507,6 +507,16 @@ can be given the types <code>float32</code>, <code>float64</code>, or <code>uint
not <code>int32</code> or <code>string</code>. not <code>int32</code> or <code>string</code>.
</p> </p>
<p>
There are no constants denoting the IEEE-754 infinity and not-a-number values,
but the <a href="/pkg/math/"><code>math</code> package</a>'s
<a href="/pkg/math/#Inf">Inf</a>,
<a href="/pkg/math/#NaN">NaN</a>,
<a href="/pkg/math/#IsInf">IsInf</a>, and
<a href="/pkg/math/#IsNaN">IsNaN</a>
functions return and test for those values at run time.
</p>
<p> <p>
Implementation restriction: A compiler may implement numeric constants by choosing Implementation restriction: A compiler may implement numeric constants by choosing
an internal representation with at least twice as many bits as any machine type; an internal representation with at least twice as many bits as any machine type;
@ -4681,7 +4691,7 @@ value and returns both the type and the address of the copy.
<code>Unreflect</code> inverts <code>Reflect</code>, <code>Unreflect</code> inverts <code>Reflect</code>,
creating an creating an
interface value from a type and address. interface value from a type and address.
The <code>reflect</code> package built on these primitives The <a href="/pkg/reflect/"><code>reflect</code> package</a> built on these primitives
provides a safe, more convenient way to inspect interface values. provides a safe, more convenient way to inspect interface values.
</p> </p>